Johannes Schleeter, O.F.M. (died 29 May 1457) was a Roman Catholic prelate who served as the Auxiliary Bishop of Cologne (1434–1457).

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Johannes Schleeter was born in Dortmund, Germany and was ordained a priest in the Order of Friars Minor.^[1] On 24 October 1434, he was appointed during the papacy of Pope Eugene IV as Titular Bishop of Venecompensis and Auxiliary Bishop of Cologne.^[2][1] He served as Auxiliary Bishop of Cologne until his death on 29 May 1457.^[2][1]